Home / 1,569.80-2,350.86-1,055.24

Finding the Fourth Proportional to 1,569.80, 2,350.86 and 1,055.24

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Solution

The fourth proportional to 1,569.80, 2,350.86 and 1,055.24 is: 1,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.80 : 2,350.86 = 1,055.24 : x
  2. Step 2: Convert to fraction form
    1,569.80/2,350.86 = 1,055.24/x
  3. Step 3: Cross multiply
    1,569.80x = 2,350.86 × 1,055.24
  4. Step 4: Simplify right side
    1,569.80x = 2,480,721.51
  5. Step 5: Solve for x
    x = 2,480,721.51/1,569.80
  6. Step 6: Final answer
    x = 1,580.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.